Merge pull request #30 from thehogfather/emulink-commented

Fixed: Restore Color after stopping animation, changed position emulink status bar, fixed bug in firefox to display float number
Merge pull request #31 from thehogfather/emulink-commented

Fixed bug in adding field in PVS state
minor changes
improved rendering of edges and arrows in Emulink diagram
Addesses issue #34
added closeProcess Function to server and added corresponding closePVSProcess function on the web socket client
Now when projects are switched the process for the previous project is always closed first before the new project is opened.
Merge pull request #37 from thehogfather/issue34

Addesses issue #34
Fixed bugs in saving file (emulink), added display of transition action